Gets a value indicating whether the method is virtual.
Syntax
Value
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Remarks
A virtual member may reference instance data in a class and must be referenced through an instance of the class.
To determine if a method is overridable, it is not sufficient to check that IsVirtual is true. For a method to be overridable, IsVirtual must be true and MethodBase.IsFinal must be false. For example, a method might be non-virtual, but it implements an interface method. The common language runtime requires that all methods that implement interface members must be marked as virtual; therefore, the compiler marks the method virtual final. So there are cases where a method is marked as virtual but is still not overridable.
To establish with certainty whether a method is overridable, use code such as this:
if (MethodInfo.IsVirtual && !MethodInfo.IsFinal)
If IsVirtual is false or IsFinal is true, then the method cannot be overridden.
Requirements
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0